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The global spread of carbapenem-resistant Enterobacteriaceae (CRE) has been fostered by the lack of preemptive screening of patients in healthcare facilities that could prevent patient-to-patient transmission. To screen patients admitted to Medical Intensive Care Unit (MICU) for CRE carriage to take appropriate infection control measures. This prospective surveillance study was conducted in the MICU of a tertiary healthcare hospital between September to December 2022. Patients more than 18 years of age admitted to the MICU were included in the study. Patients transferred from different units within the hospital to MICU were excluded. Immediately after admission, two rectal swabs were collected after obtaining consent from the patients. These patients were selected based on the questionnaire framed from the Centers for Disease Control and Prevention (CDC) CRE tool kit. The samples were further analyzed and the antimicrobial susceptibility test was performed. The present study included 91 study subjects of which 53% were males. Of selected participants, 63.7% did not have any specified medical intervention or device placed and 78% had not used antibiotics previously. Of the tested isolates, Of the tested isolates, 12 (13.2%) were observed to be CRE colonized. These isolates were found to be resistant to both imipenem and meropenem. An association was reported between CRE and device placement (p = 0.000) as well as between CRE and previous use of antibiotics (p = 0.000). Current use of antibiotics (p = 0.6381) and gender (p = 0.6066) did not show any association with CRE colonisation. The study concludes that the presence of CRE is an existing danger for patients in ICUs and that there is a possible association between CRE and device placement as well as previous use of antibiotics which can be further studied.
Shanmugapriya et al. (Wed,) studied this question.